Cognomen Rmz (Rmz 
) , in the world, is quite a rare last name. The cognomen Rmz is characteristic of Latin America and the Caribbean, particularly El Salvador, where it is quite a rare surname, Mexico, where it is a rare surname, and Guatemala. Measured by absolute frequency, it is the most numerous in Mexico, Iran, and Algeria. Much less frequently, Rmz is the forename as well as the last name.